{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Chemical"], "input": "In this tutorial review we intend to give an overview of the potential of NMR spectroscopy , and in particular solid - state NMR , in characterising micelle - templated mesoporous materials ."}
{"Chemical": []}